package pro.softzhang.algo.lc200;

import java.util.HashMap;
import java.util.Map;

/**
 *
 */
public class LC219_ContainsDuplicateII {
    public static void main(String[] args) {

    }

    static
    class Solution {
        public boolean containsNearbyDuplicate(int[] nums, int k) {
            Map<Integer, Integer> map = new HashMap<>();
            for (int i = 0; i < nums.length; i++) {
                if (map.containsKey(nums[i]) && i - map.get(nums[i]) <= k) {
                    return true;
                }
                map.put(nums[i], i);
            }
            return false;
        }
    }
}
